ftp://debian.lcs.mit.edu/pub/debian-amd64/debian/pool/main/f/flex-old/  direct

372.07 KB  2004-04-30flex-old_2.5.4a.orig.tar.gz  info  browse  508+ mirrors
 flex-old_2.5.4a.orig.tar.gz
 /Main/Debian/Other/

191.45 KB  2004-04-30flex-old_2.5.4a-6_amd64.deb  info  browse  71 mirrors
 flex-old - The old version of the fast lexical analyzer generator.
 /Main/Debian/amd64/devel/

652 B  2004-04-30flex-old_2.5.4a-6.dsc  102 mirrors
157.73 KB  2004-04-30flex-old_2.5.4a-6.diff.gz  106 mirrors
73.75 KB  2004-04-30flex-old-doc_2.5.4a-6_all.deb  info  browse  110 mirrors
 flex-old-doc - Documentation for an old flex (a fast lexical analyzer generator)
 /Main/Debian/all/doc/